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Filename Latest commit message Latest commit date
Jens Axboe 1c4404efcf io_uring: make sure async workqueue is canceled on exit
Track async work items that we queue, so we can safely cancel them
if the ring is closed or the process exits. Newer kernels handle
this automatically with io-wq, but the old workqueue based setup needs
a bit of special help to get there.

There's no upstream variant of this, as that would require backporting
all the io-wq changes from 5.5 and on. Hence I made a one-off that
ensures that we don't leak memory if we have async work items that
need active cancelation (like socket IO).

Reported-by: Agarwal, Anchal <anchalag@amazon.com>
Tested-by: Agarwal, Anchal <anchalag@amazon.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-07-09 09:37:49 +02:00
arch arm64: dts: imx8mn-ddr4-evk: correct ldo1/ldo2 voltage range 2020-06-30 15:37:10 -04:00
block block: update hctx map when use multiple maps 2020-06-30 15:37:06 -04:00
certs
crypto crypto: algboss - don't wait during notifier callback 2020-06-24 17:50:51 +02:00
Documentation dt-bindings: display: mediatek: control dpi pins mode to avoid leakage 2020-06-22 09:30:58 +02:00
drivers Revert "tty: hvc: Fix data abort due to race in hvc_open" 2020-06-30 15:37:13 -04:00
fs io_uring: make sure async workqueue is canceled on exit 2020-07-09 09:37:49 +02:00
include net: qed: fix left elements count calculation 2020-06-30 15:36:58 -04:00
init x86: Fix early boot crash on gcc-10, third try 2020-05-20 08:20:34 +02:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2020-05-20 08:20:16 +02:00
kernel ring-buffer: Zero out time extend if it is nested and not absolute 2020-06-30 15:37:10 -04:00
lib test_objagg: Fix potential memory leak in error handling 2020-06-30 15:37:04 -04:00
LICENSES
mm mm/memcontrol.c: add missed css_put() 2020-06-30 15:37:09 -04:00
net xprtrdma: Fix handling of RDMA_ERROR replies 2020-06-30 15:37:12 -04:00
samples bpf, xdp, samples: Fix null pointer dereference in *_user code 2020-06-30 15:36:55 -04:00
scripts recordmcount: support >64k sections 2020-06-30 15:37:05 -04:00
security selinux: fix double free 2020-06-24 17:50:48 +02:00
sound ALSA: hda/realtek: Add mute LED and micmute LED support for HP systems 2020-06-30 15:37:06 -04:00
tools selftests/net: report etf errors correctly 2020-06-30 15:36:58 -04:00
usr
virt KVM: arm64: Save the host's PtrAuth keys in non-preemptible context 2020-06-17 16:40:38 +02:00
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Makefile Linux 5.4.50 2020-06-30 16:21:55 -04:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.